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iPod Nano Investigation Underway In Japan

The Apple iPod Nano is under investigation by the Japanese government on why a model MA099J/ A emitted sparks from its battery during a recharge.

“An investigation into the case has been launched. We will disclose whatever findings we receive,” said a ministry official. “It is believed that the incident was caused by the product itself.”

The ministry has asked Apple Japan to investigate the principle cause of the incident. The most recent case occurred on January 8 in Kanagawa, just south of Tokyo.

However, Apple has publicly warned that iPod, iPod nano or iPod shuffle may generate excess heat while being charged in certain carry cases.

The incident came to light on Tuesday when the Japan government published a list of “serious accidents” suspected of being occasionally caused by consumer products. The iPod battery was listed as a product that overheated and sparked while being charged.

Despite the one incident, the ministry is not considering requesting a recall.

The iPod uses “Lithium ion” for its batteries which are common in consumer electronics such as mobile telephones and personal computers.

However, several battery makers, including Sony Corp., had to recall their lithium ion battery packs after reports of overheating and fire.

Sony was forced to recall millions of laptop battery packs in 2006 on account of fears they might catch fire.

Apple has had better success using the Lithium ion with the iPod. The computer maker has sold more than 141 million iPods since introducing them in 2001.